Key Tax Considerations for U.S. Citizens Relocating to Portugal
- Suf Zen (Asaf Eyzenkot)
- Feb 11
- 3 min read
Embarking on a journey to Portugal offers a wealth of opportunities, from its rich culture to its favorable climate. However, for U.S. citizens, understanding the intricate tax implications is crucial to ensure a smooth transition.
In Portugal, tax residency is determined by spending more than 183 days in the country within a calendar year or maintaining a permanent residence with the intent to occupy it as a habitual abode. As a tax resident, you're liable for taxes on your worldwide income. This mirrors the U.S. system, where citizens are taxed on global income regardless of residency. To mitigate double taxation, the U.S. and Portugal have established a Double Taxation Agreement (DTA), allowing taxpayers to offset taxes paid in one country against the other.

Portugal offers various residency options:
D7 Visa: Tailored for individuals with passive income sources such as pensions, dividends, or rental income. Applicants must demonstrate sufficient funds to support themselves during their stay.
Investment-Based Residency: An alternative for those willing to invest in regulated investment funds. A minimum investment of €500,000 can secure residency while diversifying one's portfolio.
It's essential to note that U.S. taxpayers must report these foreign investments, including interests in Passive Foreign Investment Companies (PFICs), to the IRS to avoid penalties.
While Portugal does not impose a general wealth tax, high-value properties may be subject to additional levies. Moreover, Portugal's forced heirship laws can dictate the distribution of one's estate, potentially conflicting with U.S. estate plans. However, under certain conditions, U.S. inheritance laws can be applied. Given the scheduled reduction of U.S. estate tax exemptions in 2026, it's prudent to consult with professionals to navigate these complexities.
Foreign Account Reporting Obligations
U.S. citizens with financial accounts abroad are required to file:
FBAR (Foreign Bank Account Report): Disclosing foreign financial accounts exceeding $10,000.
Form 8938: Reporting specified foreign financial assets if they surpass certain thresholds.
Portugal's participation in the Foreign Account Tax Compliance Act (FATCA) mandates Portuguese financial institutions to report U.S. account holders to U.S. authorities, ensuring transparency and compliance.
For U.S. citizens considering relinquishing their citizenship or green card status, the expatriation tax is a significant consideration. This tax treats unrealized gains as if assets were sold the day before expatriation, potentially leading to substantial tax liabilities. Comprehensive financial modeling and professional advice are essential to assess and manage these potential obligations effectively.
The influx of U.S. citizens and other expatriates into Portugal has notable effects on several sectors:
Real Estate: Increased demand, especially in urban centers like Lisbon and Porto, has led to rising property prices.
Financial Services: There's a growing need for cross-border tax advisory services, estate planning, and wealth management tailored to expatriates.
Legal Services: Law firms specializing in immigration and international law are experiencing heightened demand.
As Portugal continues to attract international residents, it's anticipated that the government will refine tax policies to balance attractiveness with fiscal responsibility. Staying informed about these changes and seeking professional guidance will be crucial for expatriates to remain compliant and optimize their tax positions.
Our Recommendations for U.S. Citizens Moving to Portugal
Engage Professional Advisors: Consult with tax professionals experienced in both U.S. and Portuguese tax systems to develop a comprehensive strategy.
Stay Informed: Regularly review updates to tax laws in both countries to ensure ongoing compliance.
Plan Ahead: Early planning can help mitigate potential tax liabilities, especially concerning estate planning and expatriation considerations.
Maintain Accurate Records: Keep detailed records of all foreign financial accounts and investments to facilitate reporting and avoid penalties.